Below we discuss how we can rename a table in MySQL, Oracle, and SQL Server. MySQL In MySQL, we can rename a table using one of the following methods: Method 1 RENAME OLD_TABLE_NAME TO NEW_TABLE_NAME Method 2 A
-- 修改索引名称 idx_si_sname -> idx_si_sname_new alter index scott.idx_si_sname rename to idx_si_sname_new; -- 修改索引为无效 alter index scott.idx_si_sname_new unusable; -- 重建索引 alter index scott.idx_si_sname_new rebuild online; 3. 删除索引 drop index scott.idx_si_age; 1...
To rename a table, you use the following OracleRENAMEtable statement as follows: RENAMEtable_nameTOnew_name;Code language:SQL (Structured Query Language)(sql) In theRENAMEtable statement: First, specify the name of the existing table which you want to rename. ...
RENAME TABLEtable-NameTOnew-Table-Name If there is a view or foreign key that references the table, attempts to rename it will generate an error. In addition, if there are any check constraints or triggers on the table, attempts to rename it will also generate an error. ...
Oracle SQL Rename Table To rename a table in Oracle SQL, use the ALTER TABLE statement, in the same way as MySQL and PostgreSQL: ALTER TABLE old_name RENAME TO new_name; You simply add in your current table name and the new table name and run the command. There’s no need to specif...
记一次Oracle Rename Table的实战应用 起因 在生产环境下我们要在某个表 PRODUCT 上删除一些重复的数据。开始之前,我们首先对该表做了备份,如下: CREATETABLEAPP.PRODUCT_201910 TABLESPACE "TABLESPACE_1" nologgingASSELECT*FROMAPP.PRODUCTWHERE1=2;INSERT/*+ APPEND PARALLEL(8) */INTOAPP.PRODUCT_201910 nolog...
Oracle provides the rename table facility to the user, in which we can rename the existing table name as per our requirement. When we rename the table name at that time oracle automatically transfers all rights such as indexes, constraints, and grants on the old table name to the new table...
1、首先建表语法：Create table 表名，字段 1 数据类型 [default 默认值],字段 2 数据类型 [default 默认值],...字段 n 数据类型 [default 默认值]。2、表删除语法：DROP TABLE 表名。3、表的修改，在sql中使用alter，可以修改表，添加语法：ALTER TABLE 表名称 ADD(列名 1 类型 [DEFAULT ...
In MySQL, the SQL syntax for ALTER TABLE Rename Column is, ALTER TABLE "table_name" Change "column 1" "column 2" ["Data Type"];In Oracle, the syntax is, ALTER TABLE "table_name" RENAME COLUMN "column 1" TO "column 2";Let's look at the example. Assuming our starting point is ...
A convenient way to rename tables in Oracle is to use the RENAME command. For example, SQL> create table kaleyc.drop_me 2 ( 3 x char 4 ); Table KALEYC.DROP_ME created. SQL> rename drop_me to drop_me2; Table renamed. However, if the object that you’re trying to rename does no...